In the Japanese version, Illustrated Timeless River Sora was available in the thirty-ninth High Score Challenge from October 26 to 31, 2018.

In the English version, it was available in the forty-fourth High Score Challenge from November 2 to 7, 2018. Players that managed to rank within the top 1000 received a boosted version of Illustrated Timeless River Sora that has 1,000 more base strength and defense.[1]

In the English version, Illustrated Timeless River Sora was available in the 01/18/19 - 01/21/19 "High Score Medal Deal".